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CSE :: Digital Computer Electronics

  1. Conversion of decimal number 6110 to it's binary number equivalent is

  2. A.
    1100112
    B.
    110011102
    C.
    1111012
    D.
    111112
    E.
    None of the above

  3. An OR gate can be imagined as

  4. A.
    switches connected in series
    B.
    switches connected in parallel
    C.
    MOS transistors connected in series
    D.
    All of the above
    E.
    None of the above

  5. Address 200H contains the byte 3FH. What is the decimal equivalent of 3FH

  6. A.
    63
    B.
    32
    C.
    16
    D.
    38
    E.
    None of the above

  7. Conversion of an octal number 1128 to hexadecimal number is

  8. A.
    4A16
    B.
    5A16
    C.
    1516
    D.
    2016
    E.
    None of the above

  9. The functional difference between SR flip-flop and JK flip-flop is that

  10. A.
    JK flip-flop is faster than SR flip-flop
    B.
    JK flip-flop has a feed back path
    C.
    JK flip-flop accepts both inputs 1
    D.
    JK flip-flop does not require external clock
    E.
    None of the above

  11. The inverter OR gate and AND gate are called decision-making elements because they can recognize some input _____ while disregarding others. A gate recognizes a word when its output is _____

  12. A.
    words, high
    B.
    bytes, low
    C.
    bytes, high
    D.
    character, low
    E.
    None of the above

  13. A positive AND gate is also a negative

  14. A.
    NAND gate
    B.
    NOR gate
    C.
    AND gate
    D.
    OR gate
    E.
    None of the above

  15. In which code the successive code characters differ in only one bit position?

  16. A.
    gray code
    B.
    excess 3 code
    C.
    8421 code
    D.
    algebraic code
    E.
    None of the above

  17. Conversion of binary number 1011012 to hexadecimal is

  18. A.
    3716
    B.
    2D16
    C.
    2E16
    D.
    2716
    E.
    None of the above

  19. ASCII and EBCDIC differ in

  20. A.
    their efficiency in storing data
    B.
    the random and sequential access method
    C.
    the number of bytes used to store characters
    D.
    their collecting sequences
    E.
    None of the above